Riso Executive and Leadership Team

August, 2026

Leadership Overview

Riso has 5 executives leading key functions including corporate strategy, financial oversight, and regional manufacturing operations.

Focused on delivering unique printing solutions, Riso maintains a commitment to innovation by developing specialized ink and hardware technologies that transform paper communication across global markets.

Leadership Roles at Riso

  • President & Chief Executive Officer - Kenji Oshima
  • President & Chief Executive Officer - Akira Hayama
  • Chief Financial Officer - Paul Brennan
  • President - Minoru Nakashima
  • President - Nathan Riso
  • Kenji Oshima - President & Chief Executive Officer

    Kenji Oshima, the President & Chief Executive Officer at Riso, directs the overarching corporate strategy and long-term development initiatives. Oshima architects the transition from traditional office supply manufacturing toward advanced digital printing solutions. By aligning research and development with market demands, the President & Chief Executive Officer ensures the company maintains a competitive edge in the paper communication sector. Kenji Oshima oversees the integration of unique ink technologies into high-speed printing hardware, driving operational efficiency across the organization. This leadership role involves constant collaboration with the board to refine the global vision and expand market reach. Through rigorous analysis of industry trends, the President & Chief Executive Officer secures sustainable growth and technological advancement. Oshima prioritizes the creation of fundamentally unique products, ensuring that every output meets the high standards expected by international clients. Ultimately, the President & Chief Executive Officer fosters a culture of innovation that defines the company identity.

    Akira Hayama - President & Chief Executive Officer

    Akira Hayama, the President & Chief Executive Officer at Riso, manages the execution of global manufacturing standards and supply chain optimization. Hayama drives the operational scaling of printing hardware production, ensuring that manufacturing facilities meet international quality benchmarks. By streamlining production workflows, the President & Chief Executive Officer enhances the delivery of specialized printing solutions to diverse markets. Akira Hayama coordinates with regional managers to ensure consistent product availability and service excellence. This leadership role involves monitoring production costs and implementing lean manufacturing principles to maximize profitability. Through strategic oversight of the manufacturing lifecycle, the President & Chief Executive Officer maintains the integrity of the product line. Hayama focuses on the technical refinement of printing systems, ensuring that hardware performance aligns with the evolving needs of the paper communication industry. Ultimately, the President & Chief Executive Officer secures the operational foundation necessary for sustained market expansion and long-term corporate stability.

    Paul Brennan - Chief Financial Officer

    Paul Brennan, the Chief Financial Officer at Riso, directs all fiscal planning, capital allocation, and financial reporting processes. Brennan architects the financial framework that supports the development of unique printing products and ink manufacturing. By overseeing the budgetary requirements for research and development, the Chief Financial Officer ensures that capital investments align with the core mission of the company. Paul Brennan manages the financial health of the organization, providing the board with critical insights into revenue streams and cost structures. This leadership role involves mitigating financial risks associated with global market fluctuations and currency volatility. Through the implementation of robust financial controls, the Chief Financial Officer optimizes resource distribution across all departments. Brennan supports the strategic growth of the company by identifying opportunities for investment in new printing technologies. Ultimately, the Chief Financial Officer maintains the fiscal discipline required to sustain the long-term competitive advantage of the organization in the printing industry.

    Minoru Nakashima - President

    Minoru Nakashima, the President at Riso, oversees the expansion of market presence and the development of regional sales strategies. Nakashima drives the adoption of specialized printing solutions by identifying key growth sectors within the paper communication field. By coordinating with regional sales teams, the President ensures that the unique product portfolio reaches a broad customer base. Minoru Nakashima manages the relationships with key distributors and partners, fostering long-term collaboration that enhances market penetration. This leadership role involves analyzing regional performance data to refine sales tactics and improve customer engagement. Through the strategic deployment of resources, the President supports the growth of the company in competitive international markets. Nakashima focuses on translating the unique value proposition of the printing hardware into tangible business outcomes for clients. Ultimately, the President secures the market position of the company by driving consistent revenue growth and strengthening the brand presence across diverse geographic regions.
    Minoru Nakashima

    Nathan Riso - President

    Nathan Riso, the President at Riso, directs the internal organizational development and the refinement of corporate culture. Riso architects the internal processes that support the development of unique products, ensuring that teams remain focused on the core mission of the company. By overseeing the alignment of departmental goals with the overarching corporate strategy, the President ensures operational cohesion. Nathan Riso manages the integration of new talent and the professional development of staff, fostering an environment conducive to innovation in printing technology. This leadership role involves evaluating internal performance metrics and implementing improvements to boost productivity. Through the strategic management of human capital, the President supports the long-term sustainability of the organization. Riso focuses on maintaining the legacy of the company while adapting to modern industry requirements. Ultimately, the President secures the internal stability of the company, ensuring that all functions contribute effectively to the delivery of high-quality printing solutions and services.
    Nathan Riso

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    Frequently Asked Questions Regarding Riso Top Executives and Leadership Team

    Who leads Riso?
    Riso is led by Kenji Oshima (President & Chief Executive Officer), along with executives such as Akira Hayama (President & Chief Executive Officer) and Paul Brennan (Chief Financial Officer).
    Who is part of Riso’s executive team?
    The executive team of Riso includes leaders such as Kenji Oshima (President & Chief Executive Officer), Akira Hayama (President & Chief Executive Officer), Paul Brennan (Chief Financial Officer) and other senior executives.
    How many executives does Riso have?
    Riso has 5 executives leading key business areas.
    What roles are included in Riso’s leadership team?
    The leadership team of Riso includes roles such as President & Chief Executive Officer, President & Chief Executive Officer, Chief Financial Officer, President, President.